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For some background, it is essential to know that Ebola is actually a group (genus) of ebolaviruses, each with different fatality rates. There are five known species of Ebola, and four are known to cause disease humans (WHO: Ebola virus disease; wikipedia). The known species of Ebola includes: Zaire ebolavirus (or just ebolavirus) Sudan ebolavirus ...


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This is too long for a comment, so I put this in here: The main reasons are sociological. From the data I have read so far, this outbreak (actually these are two independent outbreaks, one in West-Africa and another one -not connected- in the Democratic Republic of Congo) is not exceptionally deadly in terms of Ebola. The death rate is about 60% which is ...


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Yes, HIV does attempt to prevent multiple infection of the same cell. Once a T cell or other cells are infected, HIV downregulates the CD4 receptor which it uses to gain entry. Because of this, there are less receptors so another HIV is less likely to infect that cell. Meanwhile, the infection itself upregulates CD4 receptors on other cells which means the ...



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